. Insect pests of farm, garden and orchard . infested, while the Missouri Mammoth and others were unharmed. Life History.—The eggs are laid in June, but have not beenol^served. Whether laid on the stalk or on a leaf, the young larvaenters the bark at the axil of a leaf-stem, and eats around the. Fig. 336.—Work of the red-necked cane-borer: a, tracks of young larvae,the bark shced away to show burrows and forming gall ridges; h, sectionthrough galls on main cane and lateral showing track of larva throughbark and pith and pupal cell. (After .J. B. Smith.) stem in a long spiral. By early August t
. Insect pests of farm, garden and orchard . infested, while the Missouri Mammoth and others were unharmed. Life History.—The eggs are laid in June, but have not beenol^served. Whether laid on the stalk or on a leaf, the young larvaenters the bark at the axil of a leaf-stem, and eats around the. Fig. 336.—Work of the red-necked cane-borer: a, tracks of young larvae,the bark shced away to show burrows and forming gall ridges; h, sectionthrough galls on main cane and lateral showing track of larva throughbark and pith and pupal cell. (After .J. B. Smith.) stem in a long spiral. By early August the galls commence toform where the bark has been girdled, though sometimes no gallresults from the injury, and the larvae mine into the pith. Thelarva? probably become practically full grown in the fall and remainin their burrows over winter, in which they transform to pupaein late April, in New Jersey, and the beetles emerge in late Mayand June. The parent beetle is not over one-third inch long,flattened, with a small wide head, and tapers at the tip of theabdomen. It has brownish-black wing-covers with a bronzylustre, and the neck and thorax are coppery-red or brassy. The 468 INSECT PESTS OF FARM, GARDEN AND ORCHARD full-grown larva is five-eighths to three-quarters inch long, witha
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
